Fiberdyne Systems https://github.com/fiberdyne/agl-4a-hal DSP Audio HAL Fiberdyne Systems https://github.com/fiberdyne/agl-4a-hal

Overview Understand vehicle audio setup Develop JSON configuration file

Vehicle Audio Setup Up to 15 speakers definitions available Configurable types through Engineering App Full Range, Mid Range, Tweet, SubWoofer options available

Configuration File Requires four main definitions: Hardware Zones Streams Controls

Hardware Define the card Channel Sinks Speaker definition, and port number Channel Sources

Zones Define groups of speakers, called Zones Map speaker to ordered audio input. Eg. FL / FR / RL / RR / C / SW

Streams Defines the sound DSP Sound Card devices Name/Role Profile Channels Zone

Controls Plugin exposes controls Configuration file defines additional control capabilities

Result Custom audio stream definitions Configurable audio routing

Result Custom audio stream definitions Configurable audio routing Control Parameters using ALSA

Result Custom audio stream definitions Configurable audio routing Control Parameters using ALSA Advanced Tuning and DSP capabilities

Going Forward Collaboration for reference mixer plugin Release ADSP Driver/Interface

Questions?